4-(1-Pyridiniumyl)-1-butanesulfonate(CAS: 21876-43-7)

4-(1-Pyridiniumyl)-1-butanesulfonate (CAS: 21876-43-7) is a crystalline solid with a molecular weight of approximately 214.2 g/mol. It is moderately soluble in water and organic solvents. This compound exhibits basic properties due to the pyridinium group, and its reactivity is primarily influenced by its sulfonate functionality. The compound is stable under normal conditions but reacts with strong acids to form the corresponding anion.

4-(1-Pyridiniumyl)-1-butanesulfonate is typically synthesized by the reaction of 1-butanesulfonic acid with 1-pyridinium chloride. The reaction proceeds via a substitution mechanism, where the sulfonate group displaces the chloride ion. The product is usually obtained with good yield and high selectivity. Common solvents used include water and various organic solvents.

4-(1-Pyridiniumyl)-1-butanesulfonate (CAS: 21876-43-7) is used in various industries due to its basic and sulfonate functionalities. It is utilized in pharmaceuticals for its buffering and stabilizing properties, in polymers as a stabilizer, in sensors for pH sensing applications, and in semiconductors for etching processes.

When handling 4-(1-Pyridiniumyl)-1-butanesulfonate (CAS: 21876-43-7), appropriate personal protective equipment (PPE) should be worn, including gloves and safety goggles. The compound should be stored in a sealed container to prevent moisture absorption. Fume hoods should be used when performing operations that generate aerosols or vapors. In case of a spill, it should be cleaned up carefully using appropriate absorbents, and the area should be well-ventilated. Always consult the Safety Data Sheet (SDS) for detailed handling and emergency procedures.